/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2021 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dcmi.h"
#include "dma.h"
#include "fatfs.h"
#include "i2c.h"
#include "sdmmc.h"
#include "usb_device.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
#include "OV2640.h"
#include "usbd_cdc_if.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define MY_GET_TICK() printf("tick: %d\r\n", HAL_GetTick())
uint8_t jpgok = 0;

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
volatile uint8_t MY_USB_OK;

uint32_t byteswritten;                                /* File write counts */
uint32_t bytesread;                                   /* File read counts */
uint8_t wtext[] = "This is STM32 working with FatFs"; /* File write buffer */
uint8_t rtext[100];                                   /* File read buffers */
char filename[] = "0:s";

int sdcard_status = 0;
HAL_SD_CardCIDTypedef sdcard_cid;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void)
{
    /* USER CODE BEGIN 1 */

    /* USER CODE END 1 */

    /* MCU Configuration--------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    MX_DMA_Init();
    MX_USB_DEVICE_Init();
    MX_SDMMC1_SD_Init();
    MX_FATFS_Init();
    MX_DCMI_Init();
    MX_I2C2_Init();
    /* USER CODE BEGIN 2 */
    while (!MY_USB_OK)
        ;
    MY_USB_OK = 0;
    printf("Hello World! Wei\r\n");
    printf("****** FatFs Example ******\r\n");
    retSD = f_mount(&SDFatFS, "0:", 0);
    if (retSD)
    {
        printf("****** mount error: %d******\r\n", retSD);
    }
    else
        printf("****** mount success!!! ******\r\n");
    retSD = f_open(&SDFile, filename, FA_CREATE_ALWAYS | FA_WRITE);
    if (retSD)
    {
        printf("****** open file error: %d******\r\n", retSD);
    }
    else
        printf("****** open file success!!! ******\r\n");
    retSD = f_write(&SDFile, wtext, sizeof(wtext), (void *)&byteswritten);
    if (retSD)
    {
        printf("****** write file error: %d******\r\n", retSD);
    }
    else
        printf("****** write file success!!! ******\r\n");
    retSD = f_close(&SDFile);
    if (retSD)
    {
        printf("****** close file error: %d******\r\n", retSD);
    }
    else
        printf("****** close file success!!! ******\r\n");

    HAL_GPIO_WritePin(DCMI_PWDN_GPIO_Port, DCMI_PWDN_Pin, GPIO_PIN_RESET);
    HAL_GPIO_WritePin(DCMI_RESET_GPIO_Port, DCMI_RESET_Pin, GPIO_PIN_RESET);
    HAL_Delay(10);
    HAL_GPIO_WritePin(DCMI_RESET_GPIO_Port, DCMI_RESET_Pin, GPIO_PIN_SET);
    HAL_Delay(40);
    OV2640_Init(&hi2c2, &hdcmi);
    HAL_Delay(2000);
    StartOV2640();

    /* USER CODE END 2 */

    /* Infinite loop */
    /* USER CODE BEGIN WHILE */
    while (1)
    {
        /* USER CODE END WHILE */

        /* USER CODE BEGIN 3 */
        HAL_Delay(2000);
        HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
    }
    /* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    /** Supply configuration update enable
     */
    HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
    /** Configure the main internal regulator output voltage
     */
    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

    while (!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY))
    {
    }
    /** Initializes the RCC Oscillators according to the specified parameters
     * in the RCC_OscInitTypeDef structure.
     */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLM = 2;
    RCC_OscInitStruct.PLL.PLLN = 64;
    RCC_OscInitStruct.PLL.PLLP = 2;
    RCC_OscInitStruct.PLL.PLLQ = 50;
    RCC_OscInitStruct.PLL.PLLR = 2;
    RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;
    RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
    RCC_OscInitStruct.PLL.PLLFRACN = 0;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
        Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
     */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 |
                                  RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_D3PCLK1 | RCC_CLOCKTYPE_D1PCLK1;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
    RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
    {
        Error_Handler();
    }
}

/* USER CODE BEGIN 4 */
int fputc(int ch, FILE *f)
{
    while (!(CDC_Transmit_FS((uint8_t *)&ch, 1) == USBD_OK))
        ;
    return ch;
}

/* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
{
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */
    __disable_irq();
    while (1)
    {
    }
    /* USER CODE END Error_Handler_Debug */
}

#ifdef USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
 * @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t *file, uint32_t line)
{
    /* USER CODE BEGIN 6 */
    /* User can add his own implementation to report the file name and line number,
       ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
